Nikola Mektic defeated Aleksander Slovic 2-6 6-4 6-3 in the Croatia F8 qualifying round on clay. The result followed the form book — Nikola Mektic came in leading the head-to-head 2–1. Nikola Mektic extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-18 | Bosnia & Herzegovina F3 | F | clay | Nikola Mektic | 7-6(5) 7-5 |
| 2008-06-09 | Macedonia F2 | QF | clay | Nikola Mektic | 6-4 6-3 |
| 2008-05-26 | Bosnia Herzegovina F4 | R16 | clay | Aleksander Slovic | 6-4 0-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.